!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Fri Mar 7 16:32:49 UTC 2025 !!Linux Distribution !!------------------ Debian GNU/Linux 12 \n \l PRETTY_NAME="Debian GNU/Linux 12 (bookworm)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.6.74 rpt-rpi-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.6.74 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- vc4 (card 0) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=0 snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Mar 8 01:30 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Mar 8 01:30 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Mar 8 01:30 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 8 01:30 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 8 01:30 . drwxr-xr-x 3 root root 140 Mar 8 01:30 .. lrwxrwxrwx 1 root root 12 Mar 8 01:30 platform-3f902000.hdmi -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: vc4hdmi [vc4-hdmi], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card vc4hdmi Card sysdefault:0 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] !!Alsactl output !!-------------- --startcollapse-- state.vc4hdmi { control.1 { iface CARD name 'HDMI Jack' value true comment { access read type BOOLEAN count 1 } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access read type INTEGER count 8 range '0 - 36' } } control.3 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name ELD value '1000070069120001000000000000000011ee780044454e4f4e2d415652097f07000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.6 { iface MIXER name 'PCM Playback Volume' value.0 255 value.1 255 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffec1400000014' dbmin -5100 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc brcmfmac brcmfmac_wcc brcmutil cec cfg80211 dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks fuse i2c_bcm2835 ip_tables ipv6 mc raspberrypi_gpiomem raspberrypi_hwmon rfkill snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib uio uio_pdrv_genirq v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_hdmi=0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=ea49c9bc-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=JP [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 9.427650] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. [ 9.433891] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 9.434337] bcm2835_vc_sm_cma_probe: Videocore shared memory driver -- [ 9.489607] input: vc4-hdmi as /devices/platform/soc/3f902000.hdmi/rc/rc0/input0 [ 9.497517] input: vc4-hdmi HDMI Jack as /devices/platform/soc/3f902000.hdmi/sound/card0/input1 [ 9.499472] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 9.696136] bcm2835-codec bcm2835-codec: Loaded V4L2 encode_image [ 9.737095] snd-usb-audio 1-1.1.3:1.0: cannot find the slot for index 0 (range 0-0), error: -16 [ 9.737135] usb 1-1.1.3: cannot create card instance 0 [ 9.737148] snd-usb-audio: probe of 1-1.1.3:1.0 failed with error -16 [ 9.737359] usbcore: registered new interface driver snd-usb-audio [ 9.793986] cfg80211: Loading compiled-in X.509 certificates for regulatory database !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.8-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.8-1 rpt1 arm64 Utilities for configuring and using ALSA